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DataTable.OnColumnChanging Method

Raises the ColumnChanging event.

Namespace:  System.Data
Assembly:  System.Data (in System.Data.dll)

protected internal virtual void OnColumnChanging(
	DataColumnChangeEventArgs e


Type: System.Data.DataColumnChangeEventArgs
A DataColumnChangeEventArgs that contains the event data.

Raising an event invokes the event handler through a delegate. For an overview, see Raising an Event.

Notes to Inheritors

When overriding OnColumnChanging in a derived class, be sure to call the base class's OnColumnChanging method.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.